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Altered pain sensitivity is believed to play an important role for chronification of headache. It has however mainly been evaluated in highly selected patients from headache clinics and never in longitudinal studies. The present study is a 12-year follow-up of a population-based study of primary headache disorders and pain perception, combining a diagnostic headache interview with examination of muscle...
Central sensitization is thought to play an important role in the chronification of tension-type headache and in the maintenance and exacerbation of the migraine attack. It has, however, almost exclusively been studied in highly selected patients from headache clinics. The aim of the present study was to evaluate pain perception in primary headaches in the general population. Stimulus–response functions...
Although calcitonin gene-related peptide (CGRP) has been shown to be elevated in jugular venous blood of adult migraineurs during acute migraine attacks, it remains unknown whether CGRP is increased outside of attacks in jugular or cubital venous blood. The aim of the present study was to compare interictal plasma levels of CGRP in adult migraine patients and in healthy controls. Twenty patients with...
It has recently been reported that the pericranial muscles in patients with chronic tension-type headache are harder, i.e. have a higher consistency, than in controls. The primary aim of the present study was to investigate whether muscle hardness is influenced by the presence or absence of actual headache and whether hardness is correlated to tenderness. The secondary aim was to compare muscle hardness...
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